Analog Photogrammetric Flight scale 1:18,000. 1987 campaign

Analog Photogrammetric Flight scale 1:18,000. Islands and dates: The Iron: 01/12/1986-01/12/1986, Fuerteventura: 01/01/1987-01/01/1987, Gran Canaria: 01/01/1987-01/01/1987, La Gomera: 01/12/1986-01/12/1986, La Palma: 01/12/1986-01/12/1986, Tenerife: 01/01/1987-01/01/1987. 1942 frames.